mbirth/gcd-parser
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Added analysis of component firmwares (SKU, version).

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This commit is contained in:
Markus Birth 2018-12-10 16:06:28 +01:00
parent 4988fc7b63
commit 0eb98341e6
Signed by: mbirth
GPG Key ID: A9928D7A098C3A9A
1 changed files with 17 additions and 1 deletions
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18
grmn/tlv.py
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@ -44,7 +44,10 @@ class TLV:
new_tlv = TLV6(type_id, length)
elif type_id == 0x0007:
new_tlv = TLV7(type_id, length)
elif type_id in [0x0008, 0x0401, 0x0505, 0x0555, 0x0557, 0x02bd]:
elif type_id == 0x0401:
new_tlv = TLVbinary0401(type_id, length)
new_tlv.is_binary = True
elif type_id in [0x0008, 0x0505, 0x0555, 0x0557, 0x02bd]:
new_tlv = TLVbinary(type_id, length)
new_tlv.is_binary = True
else:
@ -332,3 +335,16 @@ class TLVbinary(TLV):
valstr = "0x{:08x}".format(v)
data.append(("0x{:04x}".format(fid), valstr, fdesc))
return data
class TLVbinary0401(TLVbinary):
def __str__(self):
txt = super().__str__()
hdr = unpack("<H", self.value[0:2])[0]
if hdr == 0xffff:
version = unpack("<H", self.value[4:6])[0]
sku = self.value[10:20].decode("utf-8")
txt += "\n - SKU: {}-{}-{}".format(sku[0:3], sku[3:8], sku[8:10])
txt += "\n - Version: {}".format(version)
#if not self.is_parsed:
# self.parse()
return txt